begin

Begin
[ <main code> ]
[ OnExit
    [ <exit code>]
] End

Begin is a reserved word to indicate the start of the code part of a program, process or function. The end is indicated by End. The OnExit statement can be used in between.

Example

Process Main
Begin // Start the main code part of the main process
    proc1(); // create new instance of proc1
End

Process proc1()
Begin // Start the main code part of the process
End

Function int func1()
Begin // Start the main code part of the function
    return 0;
End